Triangular plate



FIG. 1 is a top plan view of a triangular plate showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a right side elevation thereof; and,

FIG. 7 is a top perspective view thereof. 

The ornamental design for a triangular plate, as shown. 